Filopodia-like protrusions of adjacent somatic cells shape the developmental potential of oocytes

January 1, 2023
Life Sci Alliance
https://pubmed.ncbi.nlm.nih.gov/36944420

This article is currently being updated. View its version on PubMed.

https://pubmed.ncbi.nlm.nih.gov/36944420

Research summary

This study investigates the role of transzonal projections (TZPs), filopodia-like structures from somatic follicular cells, in oocyte development. Using Myo10<sup>−/−</sup> mice, researchers demonstrate that the absence of MYO10 reduces TZP density, leading to impaired oocyte–matrix integrity, altered gene expression, and decreased developmental competence, ultimately reducing fertility.

Key outcome of the study

Loss of MYO10 leads to decreased TZP density, affecting oocyte–somatic cell communication, altering oocyte morphology and transcriptome, and reducing fertility.

Mouse model

Myo10(−/−) (myosin-X Knockout) mouse model developed by genOway, featuring a neomycin selection cassette inserted between exons 22 and 23 of the Myo10 gene, disrupting MYO10 expression in all cell types.

TARGET:
Myo10
Myosin-X, Unconventional myosin-X

Keywords

Oocyte development, Fertility, Cell–cell communication, Transzonal projections, Reproductive biology

Technical specifications

Constitutive Knockout model, Neomycin selection cassette insertion, Disruption of MYO10 expression, Analysis of oocyte morphology and gene expression

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Constitutive KO mouse

A constitutive, conventional, or whole-body Knockout mouse is a fast and cost-effective solution for in vivo preliminary studies of target gene functions.